Category: A

The syndrome of a tender, enlarged liver; pain over the liver; fever; and leukocytosis in a patient with amebic colitis. This name is a misnomer because the liver changes are not due to an infestation of that organ with amebae but are a part of the nonspecific reaction to the infection in the intestinal tract.…

Hepatitis marked by slight fever, gastrointestinal upset, and anorexia but without jaundice.  

A hemorrhage from an artery. In arterial bleeding, which is bright red, the blood ordinarily flows in waves or spurts; however, the flow may be steady if the torn artery is deep or buried.  

Blindness in upper or lower half of the visual field of one or both eyes.  

A form of heavy chain disease that is related to Mediterranean lymphoma and celiac sprue. The principal organ involved is the small intestine, although respiratory tissues are occasionally affected. The symptoms and signs may include malabsorption, diarrhea, abdominal pains, and weight loss. In some patients there is peripheral adenopathy and splenomegaly with no signs of…

Placing an object, warmed above body temperature, on a body part to increase blood flow or provide relief of pain.  

The adjustment of an organism to heat in the environment. Exposure to high environmental temperature requires a period of adjustment in order for the body to function efficiently. The amount of time required depends on the temperature, humidity, and duration of daily exposure. Significant physiological adjustments occur in 5 days and are completed within 2…

A partial or complete heart block characterized by interference in the passage of impulses from the sinoatrial node.  

The tip of the left ventricle, opposite the base of the heart. The apex of the heart moves considerably with each heartbeat, and the point of maximal impulse (PMI) can be felt on the chest wall above the apex.  

A headache that occurs when a patient with chronic or recurring headaches stops using pain relievers. Analgesic rebound is a common cause of daily headache pain; it may respond to treatment with antidepressant medications and withdrawal of the offending analgesics.